A case is reported of a woman who developed untreat-
able diarrhea after a prior biliopancreatic diversion
(BPD), attributed to the malabsorptive component.
Abdominal ultrasound incidentally found focal liver
lesions. On fine needle aspiration biopsy, atypia was
found, and these hepatic lesions were resected with
free margins. The specimen showed liver metastases
of an aggressive malignant neuroendocrine neo-
plasm. The primary site was subsequently identified to
be in the pancreas. The physician and surgeon must
realize that non-related diseases can develop after
bariatric surgery, as in the general population.
